CN218354028U - Intelligent pet anti-loss device - Google Patents
Intelligent pet anti-loss device Download PDFInfo
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- CN218354028U CN218354028U CN202222725964.5U CN202222725964U CN218354028U CN 218354028 U CN218354028 U CN 218354028U CN 202222725964 U CN202222725964 U CN 202222725964U CN 218354028 U CN218354028 U CN 218354028U
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Abstract
The utility model discloses a ware device is prevented losing by smart pet, including the control unit, its characterized in that: the first IO interface of the control unit is connected with the communication module through the control circuit, and the communication module is connected with the control unit in a bidirectional mode through the UART interface; a second IO interface of the control unit is connected with the WIFI module through a voltage stabilizing circuit, and the WIFI module is connected with the control unit in a bidirectional mode through a UART interface; the third IO interface of the control unit is connected with the sensor circuit, the power interface of the control unit is connected with the battery through the power conversion circuit, and the external power supply is connected with the control circuit and the battery through the charge management circuit respectively. The utility model effectively avoids the situation that the area without GPS signal can not be positioned; the pet anti-loss device is simple to operate and convenient to use, and the using effect of the pet anti-loss device is effectively improved.
Description
Technical Field
The utility model relates to a pet location field especially relates to a ware device is prevented losing by smart pet.
Background
With the improvement of living standard of people, the development of social economy and the acceleration of urbanization process, the pet breeding becomes an indispensable living mode for a plurality of families, the pet breeding brings joy to the families, the pet becomes one of the families, however, the loss of the pet can cause the loss or theft of the domestic pet, the trouble is caused to the families, and meanwhile, the great problem is brought to the safety guarantee of social environment; the existing pet anti-loss device usually adopts GPS signals to carry out positioning, but the positioning operation can not be finished in an area without the GPS signals, so that the using effect of the pet anti-loss device is seriously influenced, and the improvement is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a ware device is prevented losing by smart pet that GPS location and WIFI location combined together is provided.
In order to realize the purpose, the technical scheme of the utility model is that:
a device for preventing a loss of an intelligent pet comprises a control unit, wherein a first input/output (IO) interface of the control unit is connected with a communication module through an operation and control circuit, and the communication module is bidirectionally connected with the control unit through a universal asynchronous receiver/transmitter (UART) interface; a second IO interface of the control unit is connected with the WIFI module through a voltage stabilizing circuit, and the WIFI module is connected with the control unit in a bidirectional mode through a UART interface; the third IO interface of the control unit is connected with the sensor circuit, the power interface of the control unit is connected with the battery through the power conversion circuit, and the external power supply is connected with the control circuit and the battery through the charge management circuit respectively.
Further, the control unit comprises a control chip, and the control chip is respectively connected with the communication module, the WIFI module, the sensor circuit and the power conversion circuit; the control circuit comprises a triode Q306, the base of the triode Q306 is respectively connected with one end of a resistor R322 and one end of a resistor R321, the other end of the resistor R322 is connected with a PA5 pin of the control chip, the other end of the resistor R321 and the emitter of the triode Q306 are both grounded, the collector of the triode Q306 is respectively connected with one end of a capacitor C320, one end of a resistor R323, one end of a capacitor C321 and the grid of an MOS tube Q305, the drain of the MOS tube Q305 and the other end of the capacitor C320 are both connected with a communication module, the other end of the resistor R323, the other end of the capacitor C321 and the source of the MOS tube Q305 are respectively connected with one end of a capacitor C308 and the charging management circuit, and the other end of the capacitor C308 is grounded.
Furthermore, the communication module comprises a communication chip, a signal input end of the communication chip is connected with a signal output end of the control circuit, and a signal end of the communication chip is bidirectionally connected with a signal end of the control unit; a GPS antenna is arranged in the communication chip, and an antenna circuit and an SIM card slot circuit are connected to the communication chip; the VBAT _ RF pin and the VBAT _ RF pin of the communication chip are connected with the control circuit, the TXD pin, the RXD pin, the USIM _ PRESENSE pin and the VDD _ EXT pin of the communication chip are connected with the antenna circuit, the USIM _ PRESENSE pin, the USIM _ RST pin, the USIM _ VDD pin, the USIM _ DATA pin and the USIM _ CLK pin of the communication chip are connected with the SIM card slot circuit, the PWRKEY pin of the communication chip is connected with the PB12 pin of the control chip, and the RESET _ N pin of the communication chip is connected with the PC13 pin of the control chip.
Further, the antenna circuit comprises a driving chip, a pin A2 of the driving chip is connected with a pin RXD of the communication chip, a pin A1 of the driving chip is connected with a pin TXD of the communication chip, a pin 0E and a pin VCCA of the driving chip are both connected with a pin USIM _ PRESENSE of the communication chip, a pin B2 of the driving chip is respectively connected with a pin TP307 of the antenna and a pin PA2 of the control chip, a pin B1 of the driving chip is respectively connected with a pin TP301 of the antenna and a pin PA3 of the control chip, a pin VCCB of the driving chip is connected with a port 3V3, and a pin GND of the driving chip is grounded.
Furthermore, the SIM card slot circuit comprises a card slot chip, a CLK PIN of the card slot chip is connected with a USIM _ CLK PIN of the communication chip, a DATA PIN of the card slot chip is respectively connected with a USIM _ VDD PIN and a USIM _ DATA PIN of the communication chip, a RST PIN of the card slot chip is connected with a USIM _ RST PIN of the communication chip, a CD _ PIN PIN of the card slot chip is connected with a USIM _ PRESENSE PIN of the communication chip, a VCC PIN and a VPP PIN of the card slot chip are both connected with a USIM _ VDD PIN of the communication chip, and a GND PIN of the card slot chip is grounded.
Further, voltage stabilizing circuit includes the steady voltage chip, and the CE pin of steady voltage chip is connected with control chip's PB10 pin, and the VIN pin of steady voltage chip is connected with power port, and the VOUT pin of steady voltage chip is connected with the WIFI module, and the VSS pin ground connection of steady voltage chip.
Furthermore, the WIFI module comprises a wireless CHIP, a VDDPST pin and a VDD3P3 pin of the wireless CHIP are all connected with the voltage stabilizing CHIP, a CHIP-EN pin of the wireless CHIP is connected with a PA8 pin of the control CHIP, a UO-TXD pin of the wireless CHIP is connected with a PB4 pin of the control CHIP, and a UORXD pin of the wireless CHIP is connected with a PB3 pin of the control CHIP; the LNA pin of the wireless chip is connected with the WIFI antenna.
Further, the sensor circuit comprises a sensor chip, a power interface is respectively connected with an SDA pin, an SCL pin, an VDDIO pin and a VDD pin of the sensor chip, the SCL pin of the sensor chip is connected with a PB8 pin of the control chip, the SDA pin of the sensor chip is respectively connected with a PB9 pin of the control chip, an INT1 pin of the sensor chip is connected with a PA4 pin of the control chip, and a BYP pin, an SAO pin and a GND pin of the sensor chip are all grounded.
Furthermore, the charging management circuit comprises a power management chip, wherein an IN pin of the power management chip is connected with an external power supply, a PG pin of the power management chip is connected with a PB13 pin of the control chip, an OUT pin of the power management chip is connected with a power port, and a CHG pin of the power management chip is connected with a PB14 pin of the control chip; and a TS pin, an ISET2 pin, an ISET pin, a VSS pin, a PRETERM pin and a GND pin of the power management chip are all grounded.
Further, an LED lamp is connected to the control chip, a GREEN pin and a third pin of the LED lamp are both connected with the power interface, a first pin of the LED lamp is connected with a collector of a triode Q103, a base of the triode Q103 is connected with a PA15 pin of the control chip, and an emitter of the triode Q103 is grounded; the second pin of the LED lamp is respectively connected with a PB14 pin of the control chip and a collector of the triode Q102, a base of the triode Q102 is connected with a PA14 pin of the control chip, and an emitter of the triode Q102 is grounded.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model adopts the design of connecting the communication module and the WIFI module on the control chip, so that the device can realize the multiple positioning mode of GPS + base station + WIFI, the device can realize outdoor positioning by utilizing GPS technology and indoor positioning by utilizing WIFI technology, and the situation that the area without GPS signals can not be positioned can be effectively avoided; meanwhile, the obtained position information can be sent to the cloud server through the LTE antenna, people can inquire pet activity tracks, pet motion steps, energy consumed by pets and other body index information of the pets, which are stored in the cloud server, through the APP or the webpage side account number, the operation is simple, the use is convenient, and the using effect of the pet anti-loss device is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a frame structure of the present invention;
FIG. 2 is a circuit diagram of the control chip;
FIG. 3 is a schematic diagram of a control circuit;
FIG. 4 is a circuit configuration diagram of a communication chip;
FIG. 5 is a schematic diagram of an antenna circuit;
FIG. 6 is a schematic diagram of a SIM card slot circuit;
FIG. 7 is a schematic diagram of a voltage regulator circuit;
fig. 8 is a circuit configuration diagram of a wireless chip;
FIG. 9 is a schematic diagram of a sensor circuit;
FIG. 10 is a schematic diagram of a charge management circuit;
fig. 11 is a circuit configuration diagram of the LED lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1, the embodiment discloses a device for preventing a loss of a smart pet, which comprises a control unit, wherein a first IO interface of the control unit is connected with a communication module through a control circuit, and the communication module is bidirectionally connected with the control unit through a UART interface; a second IO interface of the control unit is connected with the WIFI module through a voltage stabilizing circuit, and the WIFI module is connected with the control unit in a bidirectional mode through a UART interface; the third IO interface of the control unit is connected with the sensor circuit, the power interface of the control unit is connected with the battery through the power conversion circuit, and the external power supply is connected with the control circuit and the battery through the charge management circuit respectively.
As shown in fig. 2 and 3, the control unit includes a control chip, signals of the control chip are STM32L07-LQFP48, and the control chip is connected to the communication module, the WIFI module, the sensor circuit, and the power conversion circuit respectively; the control circuit comprises a triode Q306, the base of the triode Q306 is respectively connected with one end of a resistor R322 and one end of a resistor R321, the other end of the resistor R322 is connected with a PA5 pin of a control chip, the other end of the resistor R321 and the emitter of the triode Q306 are grounded, the collector of the triode Q306 is respectively connected with one end of a capacitor C320, one end of a resistor R323, one end of the capacitor C321 and the grid of an MOS tube Q305, the drain of the MOS tube Q305 and the other end of the capacitor C320 are respectively connected with a communication module, the other end of the resistor R323, the other end of the capacitor C321 and the source of the MOS tube Q305 are respectively connected with one end of a capacitor C308 and a charging management circuit, and the other end of the capacitor C308 is grounded.
The control unit adopts ST low power consumption series STM32L072, the abundant interface design of this MCU, can meet various peripheral hardware connection and accomplish many kinds of control units of the product, the chip has 3 UART interfaces and 1I 2C interface, UART1 is used for software download and upgrade of MCU; the UART2 is used for controlling the LTE communication module BG96 and acquiring information; the UART3 is used for communicating with the WIFI communication circuit; the I2C interface is used for communicating with a three-direction vibration sensor (sensor circuit), and the chip is also provided with an ADC interface which is used for detecting the voltage of a battery and other IO interfaces to complete the control of an LED and other units.
As shown in fig. 4, the communication module includes a communication chip, the communication chip is BG96, a signal input end of the communication chip is connected with a signal output end of the control circuit, and a signal end of the communication chip is bidirectionally connected with a signal end of the control unit; a GPS antenna is arranged in the communication chip, and an antenna circuit and an SIM card slot circuit are connected to the communication chip; the VBAT _ RF pin and the VBAT _ RF pin of the communication chip are connected with the control circuit, the TXD pin, the RXD pin, the USIM _ PRESENSE pin and the VDD _ EXT pin of the communication chip are connected with the antenna circuit, the USIM _ PRESENSE pin, the USIM _ RST pin, the USIM _ VDD pin, the USIM _ DATA pin and the USIM _ CLK pin of the communication chip are connected with the SIM card slot circuit, the PWRKEY pin of the communication chip is connected with the PB12 pin of the control chip, and the RESET _ N pin of the communication chip is connected with the PC13 pin of the control chip.
The communication module adopts a chip model of BG96, wherein the BG96 is an embedded NBIOT and LTECAT-M wireless communication module, supports network data connection and operation of a half-duplex LTE network, and also provides GPS and voice functions inside the communication module so as to meet specific requirements of customers; the device can accurately know the specific position of the device by utilizing the base station information of the operator network and the built-in GPS position information.
As shown in fig. 5, the antenna circuit includes a driving chip, the model of the driving chip is TXS0102DCUR, A2 pin of the driving chip is connected to RXD pin of the communication chip, A1 pin of the driving chip is connected to TXD pin of the communication chip, OE pin and VCCA pin of the driving chip are both connected to USIM _ present pin of the communication chip, B2 pin of the driving chip is connected to antenna interface TP307 and PA2 pin of the control chip, B1 pin of the driving chip is connected to antenna interface TP301 and PA3 pin of the control chip, VCCB pin of the driving chip is connected to 3V3 port, and GND pin of the driving chip is grounded.
As shown in fig. 6, the SIM card slot circuit includes a card slot chip, the card slot chip is of a model of NANO _ SIMCARD _ PUSH, a CLK PIN of the card slot chip is connected to a USIM _ CLK PIN of the communication chip, a DATA PIN of the card slot chip is connected to a USIM _ VDD PIN and a USIM _ DATA PIN of the communication chip, an RST PIN of the card slot chip is connected to a USIM _ RST PIN of the communication chip, a CD _ PIN of the card slot chip is connected to a USIM _ PRESENCE PIN of the communication chip, a VCC PIN and a VPP PIN of the card slot chip are both connected to a USIM _ VDD PIN of the communication chip, and a GND PIN of the card slot chip is grounded.
The SIM card slot circuit part can utilize SIM communication service of an operator and is matched with a communication module of LTE to store relevant information of the device into a server through a cloud.
As shown in fig. 7, the voltage stabilizing circuit includes a voltage stabilizing chip, the model of the voltage stabilizing chip is XC6221_ SOT25, a CE pin of the voltage stabilizing chip is connected to a PB10 pin of the control chip, a VIN pin of the voltage stabilizing chip is connected to the power port, a VOUT pin of the voltage stabilizing chip is connected to the WIFI module, and a VSS pin of the voltage stabilizing chip is grounded.
As shown in fig. 8, the WIFI module includes a wireless CHIP, the wireless CHIP is of an ESP8285 type, VDDPST pin, and VDD3P3 pin of the wireless CHIP are all connected to a voltage stabilization CHIP, CHIP-EN pin of the wireless CHIP is connected to PA8 pin of the control CHIP, UO-TXD pin of the wireless CHIP is connected to PB4 pin of the control CHIP, UORXD pin of the wireless CHIP is connected to PB3 pin of the control CHIP; the LNA pin of the wireless chip is connected with the WIFI antenna.
The WIFI module adopts an ESP8285 chip of Lexin, and the ESP8285 supports 802.11b/g/n/e/i. The WiFi network function is complete and self-organized, and the WiFi network function is taken as a slave to be carried on a control chip to operate. In addition, the ESP8285 can be used as a WiFi adapter to exchange data with the control chip only through the UART port. ESP8285 has integrated antenna switch, radio frequency balun, consumption amplifier, low noise amplifier, filter and power management reason module, and compact design only needs few external circuit like this to can reduce PCB's size to minimum, this device can be through the MAC address of other WIFI equipment around the scanning, then through the service analysis of third party, obtain corresponding specific position and fix a position.
As shown in fig. 9, the sensor circuit includes a sensor chip, the model of the sensor chip is MMA8453Q, the power interface is respectively connected to the SDA pin, the SCL pin, the VDDIO pin, and the VDD pin of the sensor chip, the SCL pin of the sensor chip is connected to the PB8 pin of the control chip, the SDA pin of the sensor chip is respectively connected to the PB9 pin of the control chip, the INT1 pin of the sensor chip is connected to the PA4 pin of the control chip, and the BYP pin, the SAO pin, and the GND pin of the sensor chip are all grounded.
The sensor circuit adopts an ST LIS2DH12 chip, the motion state and the motion step number of the pet can be detected through a built-in related algorithm, the consumed energy and the like are calculated and sent to the cloud server through the LTE communication module, and people can conveniently check the motion state and the motion step number.
As shown IN fig. 10, the charging management circuit includes a power management chip, the power management chip is of a type BQ24040, an IN pin of the power management chip is connected to an external power supply, a PG pin of the power management chip is connected to a PB13 pin of the control chip, an OUT pin of the power management chip is connected to a power port, and a CHG pin of the power management chip is connected to a PB14 pin of the control chip; and a TS pin, an ISET2 pin, an ISET pin, a VSS pin, a PRETERM pin and a GND pin of the power management chip are all grounded.
The device adopts the BQ24040 charging IC of TI to charge the built-in lithium battery, the BQ24040 supports the maximum charging current of 1A, and the battery in the device can be quickly continued.
As shown in fig. 11, an LED lamp is further connected to the control chip, the model of the LED lamp is 19-26/R6GHC, the GREEN pin and the third pin of the LED lamp are both connected to the power interface, the first pin of the LED lamp is connected to the collector of the transistor Q103, the base of the transistor Q103 is connected to the PA15 pin of the control chip, and the emitter of the transistor Q103 is grounded; the second pin of the LED lamp is respectively connected with a PB14 pin of the control chip and a collector of the triode Q102, the base of the triode Q102 is connected with a PA14 pin of the control chip, and the emitter of the triode Q102 is grounded.
The LED lamp generates different-frequency flickering effects through the control of the I0 of the control chip, and particularly can be adjusted to be in a gorgeous horse race lamp mode when a pet is searched in an auxiliary mode, so that the searching effect of the pet is improved.
The utility model adopts the design of connecting the communication module and the WIFI module on the control chip, so that the device can realize the multiple positioning mode of GPS + base station + WIFI, the device can realize outdoor positioning by utilizing GPS technology and indoor positioning by utilizing WIFI technology, and the situation that the area without GPS signals can not be positioned can be effectively avoided; meanwhile, the obtained position information can be sent to the cloud server through the LTE antenna, people can inquire pet activity tracks, pet motion steps, energy consumed by pets and other body index information of the pets, which are stored in the cloud server, through the APP or the webpage side account number, the operation is simple, the use is convenient, and the using effect of the pet anti-loss device is effectively improved.
Claims (10)
1. The utility model provides a ware device is prevented losing by smart pet, includes the control unit, its characterized in that: the first IO interface of the control unit is connected with the communication module through the control circuit, and the communication module is bidirectionally connected with the control unit through the UART interface; a second IO interface of the control unit is connected with the WIFI module through a voltage stabilizing circuit, and the WIFI module is connected with the control unit in a bidirectional mode through a UART interface; the third IO interface of the control unit is connected with the sensor circuit, the power supply interface of the control unit is connected with the battery through the power supply conversion circuit, and the external power supply is connected with the control circuit and the battery through the charging management circuit respectively.
2. The smart pet anti-loss device as recited in claim 1, wherein: the control unit comprises a control chip, and the control chip is respectively connected with the communication module, the WIFI module, the sensor circuit and the power conversion circuit; the control circuit comprises a triode Q306, the base of the triode Q306 is respectively connected with one end of a resistor R322 and one end of a resistor R321, the other end of the resistor R322 is connected with a PA5 pin of the control chip, the other end of the resistor R321 and the emitter of the triode Q306 are both grounded, the collector of the triode Q306 is respectively connected with one end of a capacitor C320, one end of a resistor R323, one end of a capacitor C321 and the grid of an MOS tube Q305, the drain of the MOS tube Q305 and the other end of the capacitor C320 are both connected with a communication module, the other end of the resistor R323, the other end of the capacitor C321 and the source of the MOS tube Q305 are respectively connected with one end of a capacitor C308 and the charging management circuit, and the other end of the capacitor C308 is grounded.
3. The smart pet anti-loss device as recited in claim 2, wherein: the communication module comprises a communication chip, a signal input end of the communication chip is connected with a signal output end of the control circuit, and a signal end of the communication chip is bidirectionally connected with a signal end of the control unit; a GPS antenna is arranged in the communication chip, and an antenna circuit and an SIM card slot circuit are connected to the communication chip; the VBAT _ RF pin and the VBAT _ RF pin of the communication chip are connected with the control circuit, the TXD pin, the RXD pin, the USIM _ PRESENSE pin and the VDD _ EXT pin of the communication chip are connected with the antenna circuit, the USIM _ PRESENSE pin, the USIM _ RST pin, the USIM _ VDD pin, the USIM _ DATA pin and the USIM _ CLK pin of the communication chip are connected with the SIM card slot circuit, the PWRKEY pin of the communication chip is connected with the PB12 pin of the control chip, and the RESET _ N pin of the communication chip is connected with the PC13 pin of the control chip.
4. The smart pet anti-loss device as recited in claim 3, wherein: the antenna circuit comprises a driving chip, wherein a pin A2 of the driving chip is connected with an RXD pin of a communication chip, a pin A1 of the driving chip is connected with a TXD pin of the communication chip, pins OE and VCCA of the driving chip are both connected with a pin USIM _ PRESENSE of the communication chip, a pin B2 of the driving chip is respectively connected with a pin TP307 of an antenna interface and a pin PA2 of a control chip, a pin B1 of the driving chip is respectively connected with a pin TP301 of the antenna interface and a pin PA3 of the control chip, a pin VCCB of the driving chip is connected with a 3V3 port, and a pin GND of the driving chip is grounded.
5. The smart pet anti-loss device of claim 4, wherein: the SIM card slot circuit comprises a card slot chip, wherein a CLK PIN of the card slot chip is connected with a USIM _ CLK PIN of a communication chip, a DATA PIN of the card slot chip is respectively connected with a USIM _ VDD PIN and a USIM _ DATA PIN of the communication chip, a RST PIN of the card slot chip is connected with a USIM _ RST PIN of the communication chip, a CD _ PIN PIN of the card slot chip is connected with a USIM _ PRESENSE PIN of the communication chip, a VCC PIN and a VPP PIN of the card slot chip are both connected with a USIM _ VDD PIN of the communication chip, and a GND PIN of the card slot chip is grounded.
6. The smart pet anti-loss device as recited in claim 5, wherein: the voltage stabilizing circuit comprises a voltage stabilizing chip, a CE pin of the voltage stabilizing chip is connected with a PB10 pin of the control chip, a VIN pin of the voltage stabilizing chip is connected with a power port, a VOUT pin of the voltage stabilizing chip is connected with the WIFI module, and a VSS pin of the voltage stabilizing chip is grounded.
7. The smart pet anti-loss device as recited in claim 6, wherein: the WIFI module comprises a wireless CHIP, a VDDPST pin and a VDD3P3 pin of the wireless CHIP are all connected with a voltage stabilizing CHIP, a CHIP-EN pin of the wireless CHIP is connected with a PA8 pin of a control CHIP, a UO-TXD pin of the wireless CHIP is connected with a PB4 pin of the control CHIP, and a UORXD pin of the wireless CHIP is connected with a PB3 pin of the control CHIP; the LNA pin of the wireless chip is connected with the WIFI antenna.
8. The smart pet anti-loss device as recited in claim 7, wherein: the sensor circuit comprises a sensor chip, a power interface is respectively connected with an SDA pin, an SCL pin, an VDDIO pin and a VDD pin of the sensor chip, the SCL pin of the sensor chip is connected with a PB8 pin of a control chip, the SDA pin of the sensor chip is respectively connected with a PB9 pin of the control chip, an INT1 pin of the sensor chip is connected with a PA4 pin of the control chip, and a BYP pin, an SAO pin and a GND pin of the sensor chip are all grounded.
9. The smart pet anti-loss device as recited in claim 8, wherein: the charging management circuit comprises a power management chip, wherein an IN pin of the power management chip is connected with an external power supply, a PG pin of the power management chip is connected with a PB13 pin of the control chip, an OUT pin of the power management chip is connected with a power port, and a CHG pin of the power management chip is connected with a PB14 pin of the control chip; and a TS pin, an ISET2 pin, an ISET pin, a VSS pin, a PRETERM pin and a GND pin of the power management chip are all grounded.
10. The smart pet anti-loss device as recited in claim 9, wherein: the control chip is also connected with an LED lamp, a GREEN pin and a third pin of the LED lamp are both connected with a power interface, a first pin of the LED lamp is connected with a collector of a triode Q103, a base of the triode Q103 is connected with a PA15 pin of the control chip, and an emitter of the triode Q103 is grounded; the second pin of the LED lamp is respectively connected with a PB14 pin of the control chip and a collector of the triode Q102, a base of the triode Q102 is connected with a PA14 pin of the control chip, and an emitter of the triode Q102 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725964.5U CN218354028U (en) | 2022-10-17 | 2022-10-17 | Intelligent pet anti-loss device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725964.5U CN218354028U (en) | 2022-10-17 | 2022-10-17 | Intelligent pet anti-loss device |
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| CN218354028U true CN218354028U (en) | 2023-01-24 |
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| CN202222725964.5U Active CN218354028U (en) | 2022-10-17 | 2022-10-17 | Intelligent pet anti-loss device |
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| CN (1) | CN218354028U (en) |
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| GR01 | Patent grant |